LDAP Operations Error

[Syed Rais Ahmad NON DRI]

In my FreeRadius configuration, ntlm_auth gives me successful search output:

[root at rscradiuspr01 samba]# ntlm_auth --request-nt-key --domain=DRI_NT1 --username=SYEDRA
password:
NT_STATUS_OK: Success (0x0)

However, RADIUS rejects  the user:

Thu Jun 18 16:02:46 2015 : Debug:   [ldap] waiting for bind result ...
Thu Jun 18 16:02:46 2015 : Debug:   [ldap] Bind was successful
Thu Jun 18 16:02:46 2015 : Debug:   [ldap] performing search in ou=users,dc=darden,dc=com, with filter (uid=SYEDRA)
Thu Jun 18 16:02:46 2015 : Error:   [ldap] ldap_search() failed: Operations error
Thu Jun 18 16:02:46 2015 : Info: [ldap] search failed
Thu Jun 18 16:02:46 2015 : Debug:   [ldap] ldap_release_conn: Release Id: 0
Thu Jun 18 16:02:46 2015 : Info: ++[ldap] returns fail
Thu Jun 18 16:02:46 2015 : Info: Using Post-Auth-Type Reject
Thu Jun 18 16:02:46 2015 : Info: # Executing group from file /etc/raddb/sites-enabled/default
Thu Jun 18 16:02:46 2015 : Info: +- entering group REJECT {...}
Thu Jun 18 16:02:46 2015 : Info: [attr_filter.access_reject]    expand: %{User-Name} -> SYEDRA
Thu Jun 18 16:02:46 2015 : Debug: attr_filter: Matched entry DEFAULT at line 11
Thu Jun 18 16:02:46 2015 : Info: ++[attr_filter.access_reject] returns updated
Thu Jun 18 16:02:46 2015 : Info: Delaying reject of request 1 for 1 seconds
Thu Jun 18 16:02:46 2015 : Debug: Going to the next request

What could be the cause of this reject?

Thanks.
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